NDLI: Estimation and validation of maxwell stress of planar dielectric elastomer actuators

Content Provider	Springer Nature Link
Author	Sahu, Raj Kumar Saini, Abhishek Ahmad, Dilshad Patra, Karali Szpunar, Jerzy
Copyright Year	2016
Abstract	In this paper, Maxwell stress of circular planar actuator at different applied voltages was estimated and then validated with the uniaxial compression test of three different dielectric elastomers (VHB, silicone and natural rubber). Pelrine’s equation was revisited to estimate Maxwell stress which causes the actuation in the planar direction. More precise and accurate estimation of Maxwell stress could be made in this work by considering variation of dielectric constant with respect to frequency and pre-strain. Estimated Maxwell stress was validated through (i) out-of-plane strain or thickness strain obtained from measured area strain considering constant volume deformation, and (ii) out-of-plane mechanical compressive test results. The estimated Maxwell stress agrees well with the corresponding experimental compressive stress values for different pre-straining cases considered in this work.
Starting Page	429
Ending Page	436
Page Count	8
File Format	PDF
ISSN	1738494X
Journal	Journal of Mechanical Science and Technology
Volume Number	30
Issue Number	1
e-ISSN	19763824
Language	English
Publisher	Korean Society of Mechanical Engineers
Publisher Date	2016-01-13
Publisher Place	Seoul
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Uniaxial compression test Dielectric elastomers Maxwell stress Pre-strain Planar actuator Mechanical Engineering Vibration, Dynamical Systems, Control Industrial and Production Engineering
Content Type	Text
Resource Type	Article
Subject	Mechanics of Materials Mechanical Engineering

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